diff options
Diffstat (limited to 'EmbeddedPkg')
| -rw-r--r-- | EmbeddedPkg/Library/CoherentDmaLib/CoherentDmaLib.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/EmbeddedPkg/Library/CoherentDmaLib/CoherentDmaLib.c b/EmbeddedPkg/Library/CoherentDmaLib/CoherentDmaLib.c index 8ca9e6aa5b..eb88fa288a 100644 --- a/EmbeddedPkg/Library/CoherentDmaLib/CoherentDmaLib.c +++ b/EmbeddedPkg/Library/CoherentDmaLib/CoherentDmaLib.c @@ -58,6 +58,12 @@ DmaMap ( OUT VOID **Mapping
)
{
+ if (HostAddress == NULL ||
+ NumberOfBytes == NULL ||
+ DeviceAddress == NULL ||
+ Mapping == NULL ) {
+ return EFI_INVALID_PARAMETER;
+ }
*DeviceAddress = HostToDeviceAddress (HostAddress);
*Mapping = NULL;
return EFI_SUCCESS;
|